Richard, Tuesday, December 31, 2002, 4:12:15 PM, you wrote: > Hi folks,
> I hope that dumb questions are allowed in here ... > I have two MySQL tables and I would like to delete records from one > based on associated values in another. For example, using the example > tables below, how would I delete all the records in the TIDS table that > had an associative value of 'Air Force' in the TID_ADMIN table? > TID_ADMIN > -------------------- > ID (pk) | Service > -------------------- > 1 Army > 2 Navy > 3 Air Force > TIDS > -------------------------------------- > ID | ADMIN_ID | Project Name > -------------------------------------- > 1 1 Project X > 2 1 Project Y > 3 2 Vision C > 4 3 Clearout T > 5 3 Clearout F > 6 3 Trustee 433 > I have tried, to no avail, using variants of ... > DELETE FROM tids, tid_admin > WHERE tid_admin.admin_id = tids.admin_id > AND tid_admin.service = 'Air Force' > Can someone point me in the right direction. I'm still feeling my way > through all this. > Rik Forgo > JIST3 > Army Test, Training and Technology Integration Office (T3I) > Diverse Technologies Corp. > (c) 443.463.8571 > (h) 410.859.8474 > --------------------------------------------------------------------- > Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > To request this thread, e-mail <[EMAIL PROTECTED]> > To unsubscribe, e-mail <[EMAIL PROTECTED]> > Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php Now i don't use the multitable deletes much .. at least not yet but i think DELETE tids FROM tids, tid_admin WHERE tids.admin_id = tid_admin.id AND tid_admin.service = 'Air Force' should delete the rows from tids you wanted -- Brian Lindner --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
